https://stripe.dev/stripe-java/com/stripe/param/billingportal/SessionCreateParams.FlowData.SubscriptionCancel.Retention.CouponOffer.Builder.html
SessionCreateParams.FlowData.SubscriptionCancel.Retention.CouponOffer.Builder (stripe-java 32.1.0...
declaration: package: com.stripe.param.billingportal, class: SessionCreateParams, class: FlowData, class: SubscriptionCancel, class: Retention, class:...
retention